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| author | Joe Perches <joe@perches.com> | 2013-02-21 16:44:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:26 -0800 |
| commit | dc1393130b026908c54d4538abbb5c2badbfabbe (patch) | |
| tree | 4185d47c7dcf7d2a5c4922fe759e0a203ffb484a /scripts | |
| parent | 5dc49c75a26b99e86a18441e0b64c1f7c7c6a500 (diff) | |
| download | lwn-dc1393130b026908c54d4538abbb5c2badbfabbe.tar.gz lwn-dc1393130b026908c54d4538abbb5c2badbfabbe.zip | |
checkpatch: prefer dev_<level>( to dev_printk(KERN_<LEVEL>
Add YA check to printk style.
dev_<level> uses are functions and generate smaller
object code than dev_printk(KERN_<LEVEL>.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/checkpatch.pl | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 2bb08a962ce3..f9afd075e109 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2430,6 +2430,15 @@ sub process { "Prefer pr_warn(... to pr_warning(...\n" . $herecurr); } + if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) { + my $orig = $1; + my $level = lc($orig); + $level = "warn" if ($level eq "warning"); + $level = "dbg" if ($level eq "debug"); + WARN("PREFER_DEV_LEVEL", + "Prefer dev_$level(... to dev_printk(KERN_$orig, ...\n" . $herecurr); + } + # function brace can't be on same line, except for #defines of do while, # or if closed on same line if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and |